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Header: utils/inc/qshTimeUtil.h

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Structures

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qshTimeUtil

Sensors time utilities. Members
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std::atomic< std::int64_t >

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Functions

getInstance
get singleton instance of the timeutil class
Returns qshTimeUtil&
qtimerGetTicks
reads the current QTimer count value
Returns uint64_t QTimer tick-count
qtimerGetFreq
get QTimer frequency in Hz
Returns uint64_t
qtimerGetTimeNs
get time in nanoseconds since boot-up
Returns uint64_t nanoseconds
qtimerTicksToNs
convert the qtimer tick value of nanoseconds
Parameters
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uint64_t
Returns uint64_t qtimer time in nanoseconds
qtimerNsToElapsedRealtimeNano
convert qtimer timestamp (in ns) to android system time (in ns)
Parameters
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Returns int64_t
elapsedRealtimeNanoToQtimerNs
convert android system time (in ns) to qtimer timestamp (in ns)
Parameters
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int64_t
Returns uint64_t
qtimerTicksToElapsedRealtimeNano
convert qtimer timestamp (in ticks) to android timestamp (in ns)
Parameters
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Returns int64_t
getElapsedRealtimeNanoOffset
get offset between sensor time system and Android time system (in ns)
Returns int64_t
recalculateOffset
kick in the logic to recalculate offset for drift
Parameters
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if true, always update the offset (even if the previous update was more recent than the last update)
Returns true if offset changed, false otherwise
getOffsetUpdateScheduleNs